Some of the 392 asymptomatic cases out of 706 confirmed cases (55.5%) on the Diamond Princess may have developed symptoms at a later point after they have been

Some of the 392 asymptomatic cases out of 706 confirmed cases (55.5%) on the Diamond Princess may have developed symptoms at a later point after they have been released, but this was presumably a small minority as most develop symptoms sooner rather than later. https://res.mdpi.com/d_attachment/jcm/jcm-09-00538/article_deploy/jcm-09-00538.pdf https://res.mdpi.com/d_attachment/jcm/jcm-09-00538/article_d... Early case fatality rate estimates tend to be somewhat overestimates. Anecdotally, for 2009 H1N1 vs later estimates differed by a factor of 100. https://www.reddit.com/r/COVID19/comments/f9jo57/historical_perspective_early_case_fatality_rate/ https://www.reddit.com/r/COVID19/comments/f9jo57/historical_...